730 



ORDER 154. ERIC AULONACE^E. 



P. flavidulus Kunth. Acaulescent, turfy; scapes numerous, filiform, 5-ribbed 

 and furrowed, finely puberulent ; Ivs. linear-setaceous, many times shorter than 

 the scapes ; head globular ; bra-cts of the involucre oblong, obtuse, straw-colored, 

 dry; fls. not fringed. Wet, sandy barrens, Va. to Fla. Sis. 6 to 9' high, Ivs. 1 

 to 2'. Heads 3" diam. with a straw-colored in vol. and silvery white perianths. 

 Apr. Jn. (Eriocaulon MX.) 



3. LACHNOCAITLON, Kunth. (Gr. Ao^vo?, wool, rcavM?, stem.) 

 Flowers and inflorescence as in Eriocaulon ; # calyx 3-sepaled ; corolla 

 ; stamens 3 ; anthers 1-celled, filament united below ; <j> calyx 3- 

 sepaled ; corolla reduced to a tuft of hairs surrounding the 3-seeded 

 ovary. Habit of Eriocaulon. 



L. Michafrxii Kunth. "Wet, sandy plains, Ya. to Fla. Scapes 1 to 5' high, 

 numerous, 5-ribbed, filiform, clothed with thin, spreading, woolly hairs. Lvs. 

 linear-subulate, about 1' long, tufted. Head very small (L" diam.), globular, 

 greenish-white. Apr., May. (Eriocaulon villosum MX.) 



FIG. 746-784. 1. Cyperus diamlrus. 2 Spike- 

 let magn. 8. A sjlume. 4. A flower. 5. Tri- 

 clielostylls nutumnalis. 6. Spikelet. 7. Ovary 

 with triple style. 8. Flower of T. capillaris. 

 . Ovary of T. stenophylla. 10. Bhynchos- 

 pora alba. 11. Spikelet. 12. Ovary, seine, etc. 

 ]3. C.'irexrosea. 14. Glume. 15. Perigynium. 

 16. C. flava. 17. Glume. 18. Perigynium. 



